<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="父评论id" prop="parentId">
        <el-input
          v-model="queryParams.parentId"
          placeholder="请输入父评论id"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="评论内容" prop="content">
        <el-input
          v-model="queryParams.content"
          placeholder="请输入评论心内容"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="网格" prop="onCell">
        <el-input
          v-model="queryParams.onCell"
          placeholder="请输入网格"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="作者" prop="createBy">
        <el-input
          v-model="queryParams.createBy"
          placeholder="请输入作者"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['yuan:comment:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="commentList"
      row-key="commentId"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column label="父评论id" prop="parentId" />
      <el-table-column label="评论内容" align="center" prop="content" />
      <el-table-column label="媒体1" align="center" prop="media1">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media1" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="媒体2" align="center" prop="media2">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media2" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="媒体3" align="center" prop="media3">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media3" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="媒体4" align="center" prop="media4">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media4" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="媒体5" align="center" prop="media5">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media5" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="媒体6" align="center" prop="media6">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media6" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="媒体7" align="center" prop="media7">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media7" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="媒体8" align="center" prop="media8">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media8" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="媒体9" align="center" prop="media9">
        <template slot-scope="scope">
          <image-preview :src="scope.row.media9" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="网格" align="center" prop="onCell" />
      <el-table-column label="作者" align="center" prop="createBy" />
      <el-table-column label="时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['yuan:comment:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['yuan:comment:add']"
          >新增</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['yuan:comment:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改评论对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="父评论id" prop="parentId">
          <treeselect v-model="form.parentId" :options="commentOptions" :normalizer="normalizer" placeholder="请选择父评论id" />
        </el-form-item>
        <el-form-item label="评论内容">
          <el-input v-model="form.content" type="textarea" placeholder="请输入多行文本"
                    :autosize="{minRows: 4, maxRows: 4}" :style="{width: '100%'}"></el-input>
        </el-form-item>
        <el-form-item label="媒体1" prop="media1">
          <image-upload v-model="form.media1"/>
        </el-form-item>
        <el-form-item label="媒体2" prop="media2">
          <image-upload v-model="form.media2"/>
        </el-form-item>
        <el-form-item label="媒体3" prop="media3">
          <image-upload v-model="form.media3"/>
        </el-form-item>
        <el-form-item label="媒体4" prop="media4">
          <image-upload v-model="form.media4"/>
        </el-form-item>
        <el-form-item label="媒体5" prop="media5">
          <image-upload v-model="form.media5"/>
        </el-form-item>
        <el-form-item label="媒体6" prop="media6">
          <image-upload v-model="form.media6"/>
        </el-form-item>
        <el-form-item label="媒体7" prop="media7">
          <image-upload v-model="form.media7"/>
        </el-form-item>
        <el-form-item label="媒体8" prop="media8">
          <image-upload v-model="form.media8"/>
        </el-form-item>
        <el-form-item label="媒体9" prop="media9">
          <image-upload v-model="form.media9"/>
        </el-form-item>
        <el-form-item label="网格" prop="onCell">
          <el-input v-model="form.onCell" placeholder="请输入网格" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listComment, getComment, delComment, addComment, updateComment } from "@/api/yuan/comment";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "Comment",
  components: {
    Treeselect
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 评论表格数据
      commentList: [],
      // 评论树选项
      commentOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        parentId: null,
        content: null,
        media1: null,
        media2: null,
        media3: null,
        media4: null,
        media5: null,
        media6: null,
        media7: null,
        media8: null,
        media9: null,
        onCell: null,
        createBy: null,
        createTime: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询评论列表 */
    getList() {
      this.loading = true;
      listComment(this.queryParams).then(response => {
        this.commentList = this.handleTree(response.data, "commentId", "parentId");
        this.loading = false;
      });
    },
    /** 转换评论数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.commentId,
        label: node.content,
        children: node.children
      };
    },
	/** 查询评论下拉树结构 */
    getTreeselect() {
      listComment().then(response => {
        this.commentOptions = [];
        const data = { commentId: 0, content: '顶级节点', children: [] };
        data.children = this.handleTree(response.data, "commentId", "parentId");
        this.commentOptions.push(data);
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        commentId: null,
        parentId: null,
        content: null,
        media1: null,
        media2: null,
        media3: null,
        media4: null,
        media5: null,
        media6: null,
        media7: null,
        media8: null,
        media9: null,
        onCell: null,
        createBy: null,
        createTime: null,
        status: "0"

      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.commentId) {
        this.form.parentId = row.commentId;
      } else {
        this.form.parentId = 0;
      }
      this.open = true;
      this.title = "添加评论";
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      if (row != null) {
        this.form.parentId = row.commentId;
      }
      getComment(row.commentId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改评论";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.commentId != null) {
            updateComment(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addComment(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$modal.confirm('是否确认删除评论编号为"' + row.commentId + '"的数据项？').then(function() {
        return delComment(row.commentId);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    }
  }
};
</script>
